Side by side

Lum-Tec B64 ChronographvsSeiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

B64 Chronograph
Lum-TecB64 Chronograph
MSRP $545
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition
SeikoProspex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition
MSRP $4,600

At a glance

15 of 29 specs differ
Diameter
B64 Chronograph44mm
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition45.4mm
Power Reserve
B64 Chronograph40h
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
B64 Chronograph100m
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition600m
MSRP
B64 Chronograph$545
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition$4,600

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
44mm
45.4mm
Thickness
—
16mm
Lug-to-Lug
51.5mm
50.4mm
Material
Titanium (DLC coated)
Titanium
Water Resistance
100m
600m

Crystal & Dial

5 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Standard
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
—
8L45
Power Reserve
40h
72h
Jewels
25
35

Pricing

1 specs
MSRP
$545
$4,600

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